HVAC Costs in Illinois

Verified cost ranges across cities in Illinois

Verified by 3 sourcesUpdated April 11, 2026

HVAC Cost Comparison — Illinois

Compare verified cost ranges across cities in Illinois

Cost Comparison — Furnace Installation

Illinois3 sources

Low

$854

Typical

$3,210

High

$8,067

Chicago3 sources

Low

$884

Typical

$3,325

High

$8,357

Rockford3 sources

Low

$787

Typical

$2,958

High

$7,434

Peoria3 sources

Low

$779

Typical

$2,928

High

$7,359

Springfield3 sources

Low

$792

Typical

$2,977

High

$7,481

Champaign3 sources

Low

$791

Typical

$2,976

High

$7,478

Decatur3 sources

Low

$755

Typical

$2,838

High

$7,133

Kankakee3 sources

Low

$823

Typical

$3,094

High

$7,776

Bloomington3 sources

Low

$798

Typical

$3,003

High

$7,546

Davenport3 sources

Low

$760

Typical

$2,859

High

$7,186

Cost Comparison — Heat Pump Installation

Illinois3 sources

Low

$2,268

Typical

$7,923

High

$20,118

Chicago3 sources

Low

$2,350

Typical

$8,208

High

$20,840

Rockford3 sources

Low

$2,090

Typical

$7,301

High

$18,539

Peoria3 sources

Low

$2,070

Typical

$7,228

High

$18,354

Springfield3 sources

Low

$2,104

Typical

$7,348

High

$18,658

Champaign3 sources

Low

$2,103

Typical

$7,345

High

$18,649

Decatur3 sources

Low

$2,006

Typical

$7,006

High

$17,788

Kankakee3 sources

Low

$2,187

Typical

$7,637

High

$19,392

Bloomington3 sources

Low

$2,122

Typical

$7,411

High

$18,818

Davenport3 sources

Low

$2,021

Typical

$7,058

High

$17,921

Cost Comparison — Ductwork Installation

Illinois3 sources

Low

$64

Typical

$4,326

High

$12,044

Chicago3 sources

Low

$66

Typical

$4,481

High

$12,477

Rockford3 sources

Low

$59

Typical

$3,986

High

$11,099

Peoria3 sources

Low

$59

Typical

$3,946

High

$10,988

Springfield3 sources

Low

$60

Typical

$4,012

High

$11,170

Champaign3 sources

Low

$59

Typical

$4,010

High

$11,165

Decatur3 sources

Low

$57

Typical

$3,825

High

$10,650

Kankakee3 sources

Low

$62

Typical

$4,170

High

$11,610

Bloomington3 sources

Low

$60

Typical

$4,046

High

$11,266

Davenport3 sources

Low

$57

Typical

$3,853

High

$10,729

Cost Comparison — Furnace Repair

Illinois2 sources

Low

$66

Typical

$1,046

High

$2,673

Chicago2 sources

Low

$68

Typical

$1,084

High

$2,769

Rockford2 sources

Low

$61

Typical

$964

High

$2,463

Peoria2 sources

Low

$60

Typical

$955

High

$2,439

Springfield2 sources

Low

$61

Typical

$971

High

$2,479

Champaign2 sources

Low

$61

Typical

$970

High

$2,478

Decatur2 sources

Low

$58

Typical

$925

High

$2,363

Kankakee2 sources

Low

$64

Typical

$1,009

High

$2,577

Bloomington2 sources

Low

$62

Typical

$979

High

$2,500

Davenport2 sources

Low

$59

Typical

$932

High

$2,381

Cost Comparison — Thermostat Installation

Illinois3 sources

Low

$88

Typical

$249

High

$517

Chicago3 sources

Low

$91

Typical

$258

High

$535

Rockford3 sources

Low

$81

Typical

$230

High

$476

Peoria3 sources

Low

$80

Typical

$227

High

$471

Springfield3 sources

Low

$81

Typical

$231

High

$479

Champaign3 sources

Low

$81

Typical

$231

High

$479

Decatur3 sources

Low

$78

Typical

$220

High

$457

Kankakee3 sources

Low

$85

Typical

$240

High

$498

Bloomington3 sources

Low

$82

Typical

$233

High

$483

Davenport3 sources

Low

$78

Typical

$222

High

$460

Cost Comparison — Duct Cleaning

Illinois2 sources

Low

$50

Typical

$1,855

High

$5,000

Chicago2 sources

Low

$52

Typical

$1,922

High

$5,180

Rockford2 sources

Low

$46

Typical

$1,710

High

$4,608

Peoria2 sources

Low

$46

Typical

$1,693

High

$4,562

Springfield2 sources

Low

$46

Typical

$1,721

High

$4,637

Champaign2 sources

Low

$46

Typical

$1,720

High

$4,635

Decatur2 sources

Low

$44

Typical

$1,640

High

$4,421

Kankakee2 sources

Low

$48

Typical

$1,788

High

$4,820

Bloomington2 sources

Low

$47

Typical

$1,735

High

$4,677

Davenport2 sources

Low

$45

Typical

$1,653

High

$4,454

Cost Comparison — Boiler Installation

Illinois3 sources

Low

$1,856

Typical

$3,410

High

$7,637

Chicago3 sources

Low

$1,923

Typical

$3,533

High

$7,911

Rockford3 sources

Low

$1,711

Typical

$3,143

High

$7,038

Peoria3 sources

Low

$1,693

Typical

$3,111

High

$6,967

Springfield3 sources

Low

$1,721

Typical

$3,163

High

$7,083

Champaign3 sources

Low

$1,721

Typical

$3,162

High

$7,080

Decatur3 sources

Low

$1,641

Typical

$3,016

High

$6,753

Kankakee3 sources

Low

$1,789

Typical

$3,287

High

$7,361

Bloomington3 sources

Low

$1,736

Typical

$3,190

High

$7,144

Davenport3 sources

Low

$1,654

Typical

$3,038

High

$6,803

Cost Comparison — Boiler Repair

Illinois2 sources

Low

$75

Typical

$2,249

High

$6,100

Chicago2 sources

Low

$78

Typical

$2,330

High

$6,319

Rockford2 sources

Low

$69

Typical

$2,073

High

$5,621

Peoria2 sources

Low

$68

Typical

$2,052

High

$5,565

Springfield2 sources

Low

$70

Typical

$2,086

High

$5,657

Champaign2 sources

Low

$70

Typical

$2,085

High

$5,655

Decatur2 sources

Low

$66

Typical

$1,989

High

$5,394

Kankakee2 sources

Low

$72

Typical

$2,168

High

$5,880

Bloomington2 sources

Low

$70

Typical

$2,104

High

$5,706

Davenport2 sources

Low

$67

Typical

$2,003

High

$5,434

Cost Comparison — HVAC Maintenance Tune-Up

Illinois2 sources

Low

$50

Typical

$1,855

High

$5,000

Chicago2 sources

Low

$52

Typical

$1,922

High

$5,180

Rockford2 sources

Low

$46

Typical

$1,710

High

$4,608

Peoria2 sources

Low

$46

Typical

$1,693

High

$4,562

Springfield2 sources

Low

$46

Typical

$1,721

High

$4,637

Champaign2 sources

Low

$46

Typical

$1,720

High

$4,635

Decatur2 sources

Low

$44

Typical

$1,640

High

$4,421

Kankakee2 sources

Low

$48

Typical

$1,788

High

$4,820

Bloomington2 sources

Low

$47

Typical

$1,735

High

$4,677

Davenport2 sources

Low

$45

Typical

$1,653

High

$4,454

Cost Comparison — Heat Pump Repair

Illinois2 sources

Low

$75

Typical

$3,037

High

$8,350

Chicago2 sources

Low

$78

Typical

$3,146

High

$8,650

Rockford2 sources

Low

$69

Typical

$2,798

High

$7,695

Peoria2 sources

Low

$68

Typical

$2,770

High

$7,618

Springfield2 sources

Low

$70

Typical

$2,816

High

$7,744

Champaign2 sources

Low

$70

Typical

$2,815

High

$7,740

Decatur2 sources

Low

$66

Typical

$2,685

High

$7,383

Kankakee2 sources

Low

$72

Typical

$2,927

High

$8,049

Bloomington2 sources

Low

$70

Typical

$2,840

High

$7,811

Davenport2 sources

Low

$67

Typical

$2,705

High

$7,438

Cost Comparison — Geothermal Heat Pump Installation

Illinois2 sources

Low

$50

Typical

$24,605

High

$70,000

Chicago2 sources

Low

$52

Typical

$25,489

High

$72,513

Rockford2 sources

Low

$46

Typical

$22,674

High

$64,505

Peoria2 sources

Low

$46

Typical

$22,447

High

$63,861

Springfield2 sources

Low

$46

Typical

$22,819

High

$64,918

Champaign2 sources

Low

$46

Typical

$22,809

High

$64,890

Decatur2 sources

Low

$44

Typical

$21,756

High

$61,894

Kankakee2 sources

Low

$48

Typical

$23,717

High

$67,473

Bloomington2 sources

Low

$47

Typical

$23,016

High

$65,478

Davenport2 sources

Low

$45

Typical

$21,918

High

$62,356

Cost Comparison — Attic Insulation Installation

Illinois2 sources

Low

$300

Typical

$5,618

High

$15,500

Chicago2 sources

Low

$311

Typical

$5,820

High

$16,056

Rockford2 sources

Low

$276

Typical

$5,177

High

$14,283

Peoria2 sources

Low

$274

Typical

$5,125

High

$14,141

Springfield2 sources

Low

$278

Typical

$5,210

High

$14,375

Champaign2 sources

Low

$278

Typical

$5,208

High

$14,369

Decatur2 sources

Low

$265

Typical

$4,967

High

$13,705

Kankakee2 sources

Low

$289

Typical

$5,415

High

$14,940

Bloomington2 sources

Low

$281

Typical

$5,255

High

$14,499

Davenport2 sources

Low

$267

Typical

$5,004

High

$13,807

Cost Comparison — Radiant Floor Heat Installation

Illinois2 sources

Low

$440

Typical

$445

High

$580

Chicago2 sources

Low

$456

Typical

$461

High

$601

Rockford2 sources

Low

$406

Typical

$410

High

$534

Peoria2 sources

Low

$402

Typical

$406

High

$529

Springfield2 sources

Low

$408

Typical

$413

High

$538

Champaign2 sources

Low

$408

Typical

$412

High

$537

Decatur2 sources

Low

$389

Typical

$393

High

$513

Kankakee2 sources

Low

$424

Typical

$429

High

$559

Bloomington2 sources

Low

$412

Typical

$416

High

$542

Davenport2 sources

Low

$392

Typical

$396

High

$516

All HVAC Services

hvac

Furnace Installation

Supply and installation of a new gas, propane, or electric furnace including flue venting, gas piping, ductwork connections, and thermostat wiring.

Cost data available

hvac

Heat Pump Installation

Installation of an air-source heat pump system for year-round heating and cooling, including lineset, electrical, and refrigerant charging.

Cost data available

hvac

Ductwork Installation

Fabrication and installation of supply and return air duct systems in new or remodeled homes, including registers, grilles, and balancing dampers.

Cost data available

hvac

Furnace Repair

Diagnosis and repair of a non-heating or malfunctioning furnace, including igniter replacement, heat exchanger inspection, and blower motor service.

Cost data available

hvac

Thermostat Installation

Installation or replacement of a programmable or smart Wi-Fi thermostat with C-wire installation if required.

Cost data available

hvac

Duct Cleaning

Mechanical cleaning of supply, return, and branch air ducts using rotary brushes and high-powered vacuums to remove dust, debris, and allergens.

Cost data available

hvac

Boiler Installation

Supply and installation of a hot-water or steam boiler for hydronic heating, including gas piping, venting, expansion tank, and zone valves.

Cost data available

hvac

Boiler Repair

Diagnosis and repair of a faulty boiler, covering pump replacement, pressure vessel issues, zone valve failure, and flue blockages.

Cost data available

hvac

HVAC Maintenance Tune-Up

Annual preventive maintenance including filter replacement, coil cleaning, refrigerant check, electrical inspection, and system performance test.

Cost data available

hvac

Heat Pump Repair

Diagnosis and repair of a heat pump in heating or cooling mode, including reversing valve, defrost board, and refrigerant circuit issues.

Cost data available

hvac

Geothermal Heat Pump Installation

Installation of a ground-source heat pump system including loop field drilling or trenching, ground loop, heat pump unit, and distribution system.

Cost data available

hvac

Attic Insulation Installation

Addition of blown-in cellulose or fiberglass insulation in the attic floor to reach recommended R-value and reduce HVAC load.

Cost data available

hvac

Radiant Floor Heat Installation

Installation of in-floor hydronic tubing or electric heating mats under tile or hardwood floors for radiant space heating.

Cost data available